TheseNon-Sparking Driver Type Handle are made of Aluminum Bronze and Beryllium Copper, it is a high quality grade beryllium copper alloy material and a standard grade aluminum-bronze alloy. These tools are non-magnetic and non-corrosion, very suitable used for LPG and LNG vessels, and oil-gas industry etc.
| C inch | L mm | L1 mm | Weight (g) | |
| Aluminum Bronze | Beryllium Copper | |||
| 1/4 | 170 | 55 | 85 | 95 |